1998 Chevrolet S10 LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on
thank you in advance. vehicle came to us with a miss at idle on #4 cylinder occasionally on #6. off idle the miss goes away. short term fuel trim seems to be taking away fuel neg 9 to neg 21. that threw out theory for vacuum leak but still tested for vac leak ...
FIX posted 1/2/2006
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Message Closed w/FIX
Vehicle Data1998 Chevrolet S10 LS
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 Chevrolet S10 LS
VIN | 1GCDT19X5W |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CSFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |